Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia

Michael A. Belfort, Oluyinka O. Olutoye, Darrell L. Cass, Olutoyin A. Olutoye, Christopher I. Cassady, Amy R. Mehollin-Ray, Alireza A. Shamshirsaz, Stephanie M. Cruz, Timothy C. Lee, David G. Mann, Jimmy Espinoza, Stephen E. Welty, Caraciolo J. Fernandes, Rodrigo Ruano

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

OBJECTIVE: To evaluate feasibility and initial outcomes of fetoscopic tracheal occlusion for severe diaphragmatic hernia compared with a historical cohort who had not received fetal tracheal occlusion. METHODS: Outcomes in a prospective observational cohort who underwent fetoscopic tracheal occlusion for severe fetal left diaphragmatic hernia without associated anomalies were compared with our historical nontreated cohort of matched fetuses of similar severity. Fetuses were classified using the same ultrasonography and magnetic resonance imaging methodology - prospectively in the fetoscopic tracheal occlusion group and retrospectively in the historical nontreated cohort. Obstetric and postnatal outcomes were evaluated and compared. RESULTS: Between January 2004 and June 2015, 218 fetuses with diaphragmatic hernia were evaluated. Twenty (9%) fetuses had severe left diaphragmatic hernia (lung-head ratio 1.0 or less and liver herniation), of which 9 of 20 were managed without tracheal occlusion. Eleven were offered the procedure and in 10, it was successful. Mean (±standard deviation) gestational age was 27.9±1.1 weeks at attempted balloon placement, 34.1±1.1 weeks at removal, and 35.3±2.2 weeks at delivery. One patient required an ex utero intrapartum treatment procedure at delivery to remove the balloon. There were no maternal complications or fetal deaths. All neonates underwent postnatal repair with a patch. The 6-month, 1-year, and 2-year survival rates were significantly higher in our treated cohort than in our nontreated historical cohort (80% compared with 11%, risk difference 69%, 95% confidence interval [CI] 38-100%, P=.01; 70% compared with 11%, risk difference 59%, 95% CI 24-94%, P=.02; and 67% compared with 11%, risk difference 56%, 95% CI 19-93%, P=.04, respectively) with reduced need for extracorporeal membrane oxygenation (30% compared with 70%, risk difference 40%, 95% CI 10-79%, P=.05). CONCLUSION: Fetoscopic tracheal occlusion is feasible and is associated with improved postnatal outcomes in severe left diaphragmatic hernia. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, https://clinicaltrials.gov, NCT00881660.

Original languageEnglish (US)
Pages (from-to)20-29
Number of pages10
JournalObstetrics and Gynecology
Volume129
Issue number1
DOIs
StatePublished - Jan 1 2017
Externally publishedYes

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Diaphragmatic Hernia
Fetus
Confidence Intervals
Maternal Death
Extracorporeal Membrane Oxygenation
Fetal Death
Gestational Age
Obstetrics
Ultrasonography
Survival Rate
Head
Magnetic Resonance Imaging
Clinical Trials
Newborn Infant
Lung
Liver

ASJC Scopus subject areas

  • Obstetrics and Gynecology

Cite this

Belfort, M. A., Olutoye, O. O., Cass, D. L., Olutoye, O. A., Cassady, C. I., Mehollin-Ray, A. R., ... Ruano, R. (2017). Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia. Obstetrics and Gynecology, 129(1), 20-29. https://doi.org/10.1097/AOG.0000000000001749

Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia. / Belfort, Michael A.; Olutoye, Oluyinka O.; Cass, Darrell L.; Olutoye, Olutoyin A.; Cassady, Christopher I.; Mehollin-Ray, Amy R.; Shamshirsaz, Alireza A.; Cruz, Stephanie M.; Lee, Timothy C.; Mann, David G.; Espinoza, Jimmy; Welty, Stephen E.; Fernandes, Caraciolo J.; Ruano, Rodrigo.

In: Obstetrics and Gynecology, Vol. 129, No. 1, 01.01.2017, p. 20-29.

Research output: Contribution to journalArticle

Belfort, MA, Olutoye, OO, Cass, DL, Olutoye, OA, Cassady, CI, Mehollin-Ray, AR, Shamshirsaz, AA, Cruz, SM, Lee, TC, Mann, DG, Espinoza, J, Welty, SE, Fernandes, CJ & Ruano, R 2017, 'Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia', Obstetrics and Gynecology, vol. 129, no. 1, pp. 20-29. https://doi.org/10.1097/AOG.0000000000001749
Belfort MA, Olutoye OO, Cass DL, Olutoye OA, Cassady CI, Mehollin-Ray AR et al. Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia. Obstetrics and Gynecology. 2017 Jan 1;129(1):20-29. https://doi.org/10.1097/AOG.0000000000001749
Belfort, Michael A. ; Olutoye, Oluyinka O. ; Cass, Darrell L. ; Olutoye, Olutoyin A. ; Cassady, Christopher I. ; Mehollin-Ray, Amy R. ; Shamshirsaz, Alireza A. ; Cruz, Stephanie M. ; Lee, Timothy C. ; Mann, David G. ; Espinoza, Jimmy ; Welty, Stephen E. ; Fernandes, Caraciolo J. ; Ruano, Rodrigo. / Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia. In: Obstetrics and Gynecology. 2017 ; Vol. 129, No. 1. pp. 20-29.
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abstract = "OBJECTIVE: To evaluate feasibility and initial outcomes of fetoscopic tracheal occlusion for severe diaphragmatic hernia compared with a historical cohort who had not received fetal tracheal occlusion. METHODS: Outcomes in a prospective observational cohort who underwent fetoscopic tracheal occlusion for severe fetal left diaphragmatic hernia without associated anomalies were compared with our historical nontreated cohort of matched fetuses of similar severity. Fetuses were classified using the same ultrasonography and magnetic resonance imaging methodology - prospectively in the fetoscopic tracheal occlusion group and retrospectively in the historical nontreated cohort. Obstetric and postnatal outcomes were evaluated and compared. RESULTS: Between January 2004 and June 2015, 218 fetuses with diaphragmatic hernia were evaluated. Twenty (9{\%}) fetuses had severe left diaphragmatic hernia (lung-head ratio 1.0 or less and liver herniation), of which 9 of 20 were managed without tracheal occlusion. Eleven were offered the procedure and in 10, it was successful. Mean (±standard deviation) gestational age was 27.9±1.1 weeks at attempted balloon placement, 34.1±1.1 weeks at removal, and 35.3±2.2 weeks at delivery. One patient required an ex utero intrapartum treatment procedure at delivery to remove the balloon. There were no maternal complications or fetal deaths. All neonates underwent postnatal repair with a patch. The 6-month, 1-year, and 2-year survival rates were significantly higher in our treated cohort than in our nontreated historical cohort (80{\%} compared with 11{\%}, risk difference 69{\%}, 95{\%} confidence interval [CI] 38-100{\%}, P=.01; 70{\%} compared with 11{\%}, risk difference 59{\%}, 95{\%} CI 24-94{\%}, P=.02; and 67{\%} compared with 11{\%}, risk difference 56{\%}, 95{\%} CI 19-93{\%}, P=.04, respectively) with reduced need for extracorporeal membrane oxygenation (30{\%} compared with 70{\%}, risk difference 40{\%}, 95{\%} CI 10-79{\%}, P=.05). CONCLUSION: Fetoscopic tracheal occlusion is feasible and is associated with improved postnatal outcomes in severe left diaphragmatic hernia. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, https://clinicaltrials.gov, NCT00881660.",
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T1 - Feasibility and Outcomes of Fetoscopic Tracheal Occlusion for Severe Left Diaphragmatic Hernia

AU - Belfort, Michael A.

AU - Olutoye, Oluyinka O.

AU - Cass, Darrell L.

AU - Olutoye, Olutoyin A.

AU - Cassady, Christopher I.

AU - Mehollin-Ray, Amy R.

AU - Shamshirsaz, Alireza A.

AU - Cruz, Stephanie M.

AU - Lee, Timothy C.

AU - Mann, David G.

AU - Espinoza, Jimmy

AU - Welty, Stephen E.

AU - Fernandes, Caraciolo J.

AU - Ruano, Rodrigo

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N2 - OBJECTIVE: To evaluate feasibility and initial outcomes of fetoscopic tracheal occlusion for severe diaphragmatic hernia compared with a historical cohort who had not received fetal tracheal occlusion. METHODS: Outcomes in a prospective observational cohort who underwent fetoscopic tracheal occlusion for severe fetal left diaphragmatic hernia without associated anomalies were compared with our historical nontreated cohort of matched fetuses of similar severity. Fetuses were classified using the same ultrasonography and magnetic resonance imaging methodology - prospectively in the fetoscopic tracheal occlusion group and retrospectively in the historical nontreated cohort. Obstetric and postnatal outcomes were evaluated and compared. RESULTS: Between January 2004 and June 2015, 218 fetuses with diaphragmatic hernia were evaluated. Twenty (9%) fetuses had severe left diaphragmatic hernia (lung-head ratio 1.0 or less and liver herniation), of which 9 of 20 were managed without tracheal occlusion. Eleven were offered the procedure and in 10, it was successful. Mean (±standard deviation) gestational age was 27.9±1.1 weeks at attempted balloon placement, 34.1±1.1 weeks at removal, and 35.3±2.2 weeks at delivery. One patient required an ex utero intrapartum treatment procedure at delivery to remove the balloon. There were no maternal complications or fetal deaths. All neonates underwent postnatal repair with a patch. The 6-month, 1-year, and 2-year survival rates were significantly higher in our treated cohort than in our nontreated historical cohort (80% compared with 11%, risk difference 69%, 95% confidence interval [CI] 38-100%, P=.01; 70% compared with 11%, risk difference 59%, 95% CI 24-94%, P=.02; and 67% compared with 11%, risk difference 56%, 95% CI 19-93%, P=.04, respectively) with reduced need for extracorporeal membrane oxygenation (30% compared with 70%, risk difference 40%, 95% CI 10-79%, P=.05). CONCLUSION: Fetoscopic tracheal occlusion is feasible and is associated with improved postnatal outcomes in severe left diaphragmatic hernia. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, https://clinicaltrials.gov, NCT00881660.

AB - OBJECTIVE: To evaluate feasibility and initial outcomes of fetoscopic tracheal occlusion for severe diaphragmatic hernia compared with a historical cohort who had not received fetal tracheal occlusion. METHODS: Outcomes in a prospective observational cohort who underwent fetoscopic tracheal occlusion for severe fetal left diaphragmatic hernia without associated anomalies were compared with our historical nontreated cohort of matched fetuses of similar severity. Fetuses were classified using the same ultrasonography and magnetic resonance imaging methodology - prospectively in the fetoscopic tracheal occlusion group and retrospectively in the historical nontreated cohort. Obstetric and postnatal outcomes were evaluated and compared. RESULTS: Between January 2004 and June 2015, 218 fetuses with diaphragmatic hernia were evaluated. Twenty (9%) fetuses had severe left diaphragmatic hernia (lung-head ratio 1.0 or less and liver herniation), of which 9 of 20 were managed without tracheal occlusion. Eleven were offered the procedure and in 10, it was successful. Mean (±standard deviation) gestational age was 27.9±1.1 weeks at attempted balloon placement, 34.1±1.1 weeks at removal, and 35.3±2.2 weeks at delivery. One patient required an ex utero intrapartum treatment procedure at delivery to remove the balloon. There were no maternal complications or fetal deaths. All neonates underwent postnatal repair with a patch. The 6-month, 1-year, and 2-year survival rates were significantly higher in our treated cohort than in our nontreated historical cohort (80% compared with 11%, risk difference 69%, 95% confidence interval [CI] 38-100%, P=.01; 70% compared with 11%, risk difference 59%, 95% CI 24-94%, P=.02; and 67% compared with 11%, risk difference 56%, 95% CI 19-93%, P=.04, respectively) with reduced need for extracorporeal membrane oxygenation (30% compared with 70%, risk difference 40%, 95% CI 10-79%, P=.05). CONCLUSION: Fetoscopic tracheal occlusion is feasible and is associated with improved postnatal outcomes in severe left diaphragmatic hernia. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, https://clinicaltrials.gov, NCT00881660.

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